[alsa-devel] [PATCH 0/2 v4] ALSA: pcm: anonymous dup implementation

[Takashi Iwai]

On Tue, 23 Apr 2019 22:11:50 +0200,
Phil Burk wrote:
> 
> Hello Takashi,
> 
> Sorry for the late reply. I got pulled off on some other projects.
> 
> We will try to test this in-house but we will need Qualcomm's help.
> I will also try to get some of our SOC partners to help with testing.

OK.

> > If we miss it, it'll be postponed at least for 5.3,
> > i.e. more three months.
> 
> I think it will be difficult to complete the testing before that 5.2 deadline.
> We should probably shoot for 5.3. If someone needs it sooner that they will
> have the patches.

Fair enough, let's postpone the merge, then.

> Thanks again for all this work.
> 
> I assume the four emails below have all the latest patches needed for rev 6.

I believe yes.

Thanks for the quick update!


Takashi


> Thanks,
> Phil Burk
> 
> On Tue, Apr 23, 2019 at 11:08 AM Takashi Iwai <tiwai at suse.de> wrote:
> 
>     On Tue, 26 Mar 2019 15:41:11 +0100,
>     Jaroslav Kysela wrote:
>     >
>     > Dne 26. 03. 19 v 15:27 Phil Burk napsal(a):
>     > > Hello,
>     > >
>     > > Thanks for keeping this moving forward.
>     > >
>     > > Any suggestions for testing this? We can try to test it here in
>     Android. It may be tricky because your patches may conflict with some
>     proprietary Qualcomm changes in the kernel we are currently using.
>     > >
>     > > Can I get a summary list of the patches required for kernel and
>     tinyalsa?
>     >
>     > The v6 is the last version, the full information is in the cover letter:
>     >
>     > 
>     https://mailman.alsa-project.org/pipermail/alsa-devel/2019-February/145127.html
>     > 
>     https://mailman.alsa-project.org/pipermail/alsa-devel/2019-February/145128.html
>     > 
>     https://mailman.alsa-project.org/pipermail/alsa-devel/2019-February/145129.html
>     > 
>     https://mailman.alsa-project.org/pipermail/alsa-devel/2019-February/145130.html
>    
>     Is there any test result from the practical use cases?
>    
>     Basically now is the last chance for merging such an intrusive change
>     for 5.2 kernel.  If we miss it, it'll be postponed at least for 5.3,
>     i.e. more three months.
> 
>     thanks,
>    
>     Takashi
> 
>     >
>     >                                               Jaroslav
>     >
>     > >
>     > > Thanks,
>     > > Phil Burk
>     > >
>     > >
>     > > On Tue, Mar 26, 2019 at 7:13 AM Takashi Iwai <tiwai at suse.de <mailto:
>     tiwai at suse.de>> wrote:
>     > >
>     > >     On Tue, 26 Mar 2019 15:09:28 +0100,
>     > >     Mark Brown wrote:
>     > >     >
>     > >     > On Mon, Feb 04, 2019 at 10:39:08AM +0100, Jaroslav Kysela wrote:
>     > >     > > This patchset contains the anonymous dup implementation with
>     permissions
>     > >     > > checking for the ALSA's PCM interface in kernel to enable the
>     restricted
>     > >     > > DMA sound buffer sharing for the restricted tasks.
>     > >     >
>     > >     > Is there any news on merging this during the current development
>     cycle,
>     > >     > or anything else needed to move this forwards?
>     > >
>     > >     I've seen no reaction whether the patch really tested, worked or
>     > >     helped in the real scenario...
>     > >
>     > >
>     > >     Takashi
>     > >
>     >
>     >
>     > --
>     > Jaroslav Kysela <perex at perex.cz>
>     > Linux Sound Maintainer; ALSA Project; Red Hat, Inc.
>     >
> 
>